AS2208 Просмотр технического описания (PDF) - Astec Semiconductor => Silicon Link
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AS2208 Datasheet PDF : 6 Pages
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Primary Side PWM Controller
AS2208
Electrical Characteristics (cont’d)
Electrical Characteristics are guaranteed over full junction temperature range (0 to 105° C). Ambient temperature must be derated
based on power dissipation and package thermal characteristics. Unless otherwise specified, the conditions of test are VCC = 15 V;
BOK = 3 V; OV = 0V; RT = 680 Ω; CT = 10 nF. To override UVLO, VCC should be raised above 18 V prior to test.
Parameter
Symbol Test Condition
Min
Typ
Max
Unit
Output
Output Low Level
Output Low Level
Output High Level
Output High Level
Rise Time
Fall Time
Maximum Duty Cycle
Minimum Duty Cycle
Over-Voltage Input
OV Threshold
OV Reset Threshold
OV Clear Threshold
OV Bias Current
Under Voltage Lockout
Startup Threshold
Minimum Operating Voltage
after Turn-on
Startup Current
Operating Supply Current
Supply Voltage Clamp
Output Impedance to GND in
UVLO State
VOL
VOL
VOH
VOH
tR
tF
DMAX
DMIN
ISINK = 20 mA
ISINK = 150 mA
ISOURCE = 20 mA
ISOURCE = 150 mA
CL = 1 nF
CL = 1 nF
VOV
VVOVH
VVOVL
IBIAS OV
VREG = 5 V, VOV ≤ OV Threshold
VCC (ON)
VCC (OFF)
ICC
ICC
VCC Zener
ZOUT
VCC = 13 V
ICC = 30 mA
VCC = 6 V
0.1
0.4
V
1.5
2.2
V
13
13.5
V
12
13
V
50
150
ns
50
150
ns
94
97
100
%
0
%
2.50
2.80
3.10
V
3.80
4.00
4.50
V
1.10
1.75
2.20
V
-1
-0.2
1
µA
12.5
14.0
15.8
V
7.3
8.0
8.5
AV
105
150
µA
12
20
mA
18
V
22.0
kΩ
ASTEC reserves the right to make changes without further notice to any products described herein to improve reliability, function, or
design. ASTEC does not assume any liability arising out of the application or use of any product or circuit described herein; neither does
it convey any license under its patent rights or the rights of others. ASTEC products are not authorized for use as components in life
support devices or systems intended for surgical implant into the body or intended to support or sustain life. Buyer agrees to notify
ASTEC of any such intended end use whereupon ASTEC will determine availability and suitability of its products for the intended use.
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ASTEC SEMICONDUCTOR
255 Sinclair Frontage Road • Milpitas, California 95035 • Tel. (408) 263-8300 • FAX (408) 263-8340
ASTEC Semiconductor
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